// yangbuyi Copyright (c) https://yby6.com 2023.

"use strict";

/**
 * @fileoverview html 解析器
 */
// 配置
const config = {
  // 信任的标签（保持标签名不变）
  trustTags: makeMap(
    "a,abbr,ad,audio,b,blockquote,br,code,col,colgroup,dd,del,dl,dt,div,em,fieldset,h1,h2,h3,h4,h5,h6,hr,i,img,ins,label,legend,li,ol,p,q,ruby,rt,source,span,strong,sub,sup,table,tbody,td,tfoot,th,thead,tr,title,ul,video"
  ),
  // 块级标签（转为 div，其他的非信任标签转为 span）
  blockTags: makeMap(
    "address,article,aside,body,caption,center,cite,footer,header,html,nav,pre,section"
  ),
  // 要移除的标签
  ignoreTags: makeMap(
    "area,base,canvas,embed,frame,head,iframe,input,link,map,meta,param,rp,script,source,static,textarea,title,track,wbr"
  ),
  // 自闭合的标签
  voidTags: makeMap(
    "area,base,br,col,circle,ellipse,embed,frame,hr,img,input,line,link,meta,param,path,polygon,rect,source,track,use,wbr"
  ),
  // html 实体
  entities: {
    lt: "<",
    gt: ">",
    quot: '"',
    apos: "'",
    ensp: "\u2002",
    emsp: "\u2003",
    nbsp: "\xA0",
    semi: ";",
    ndash: "–",
    mdash: "—",
    middot: "·",
    lsquo: "‘",
    rsquo: "’",
    ldquo: "“",
    rdquo: "”",
    bull: "•",
    hellip: "…",
  },
  // 默认的标签样式
  tagStyle: {
    // #ifndef APP-PLUS-NVUE
    address: "font-static:italic",
    big: "display:inline;font-size:1.2em",
    caption: "display:table-caption;text-align:center",
    center: "text-align:center",
    cite: "font-static:italic",
    dd: "margin-left:40px",
    mark: "background-color:yellow",
    pre: "font-family:monospace;white-space:pre",
    s: "text-decoration:line-through",
    small: "display:inline;font-size:0.8em",
    u: "text-decoration:underline", // #endif
  },
};
const { windowWidth } = uni.getSystemInfoSync();
const blankChar = makeMap(" ,\r,\n,\t,\f");
let idIndex = 0; // #ifdef H5 || APP-PLUS

config.ignoreTags.iframe = void 0;
config.trustTags.iframe = true;
config.ignoreTags.embed = void 0;
config.trustTags.embed = true; // #endif
// #ifdef APP-PLUS-NVUE

config.ignoreTags.source = void 0;
config.ignoreTags.style = void 0; // #endif

/**
 * @description 创建 map
 * @param {String} str 逗号分隔
 */

function makeMap(str) {
  const map = Object.create(null);
  const list = str.split(",");

  for (let i = list.length; i--; ) {
    map[list[i]] = true;
  }

  return map;
}
/**
 * @description 解码 html 实体
 * @param {String} str 要解码的字符串
 * @param {Boolean} amp 要不要解码 &amp;
 * @returns {String} 解码后的字符串
 */

function decodeEntity(str, amp) {
  let i = str.indexOf("&");

  while (i != -1) {
    const j = str.indexOf(";", i + 3);
    let code = void 0;
    if (j == -1) break;

    if (str[i + 1] == "#") {
      // &#123; 形式的实体
      code = parseInt((str[i + 2] == "x" ? "0" : "") + str.substring(i + 2, j));
      if (!isNaN(code))
        str = str.substr(0, i) + String.fromCharCode(code) + str.substr(j + 1);
    } else {
      // &nbsp; 形式的实体
      code = str.substring(i + 1, j);
      if (config.entities[code] || (code == "amp" && amp))
        str =
          str.substr(0, i) + (config.entities[code] || "&") + str.substr(j + 1);
    }

    i = str.indexOf("&", i + 1);
  }

  return str;
}
/**
 * @description html 解析器
 * @param {Object} vm 组件实例
 */

function parser(vm) {
  this.options = vm || {};
  this.tagStyle = Object.assign(config.tagStyle, this.options.tagStyle);
  this.imgList = vm.imgList || [];
  this.plugins = vm.plugins || [];
  this.attrs = Object.create(null);
  this.stack = [];
  this.nodes = [];
}
/**
 * @description 执行解析
 * @param {String} content 要解析的文本
 */

parser.prototype.parse = function (content) {
  // 插件处理
  for (let i = this.plugins.length; i--; ) {
    if (this.plugins[i].onUpdate)
      content = this.plugins[i].onUpdate(content, config) || content;
  }

  new lexer(this).parse(content); // 出栈未闭合的标签

  while (this.stack.length) {
    this.popNode();
  }

  return this.nodes;
};
/**
 * @description 将标签暴露出来（不被 rich-text 包含）
 */

parser.prototype.expose = function () {
  // #ifndef APP-PLUS-NVUE
  for (let i = this.stack.length; i--; ) {
    const item = this.stack[i];
    if (item.name == "a" || item.c) return;
    item.c = 1;
  } // #endif
};
/**
 * @description 处理插件
 * @param {Object} node 要处理的标签
 * @returns {Boolean} 是否要移除此标签
 */

parser.prototype.hook = function (node) {
  for (let i = this.plugins.length; i--; ) {
    if (this.plugins[i].onParse && this.plugins[i].onParse(node, this) == false)
      return false;
  }

  return true;
};
/**
 * @description 将链接拼接上主域名
 * @param {String} url 需要拼接的链接
 * @returns {String} 拼接后的链接
 */

parser.prototype.getUrl = function (url) {
  const { domain } = this.options;

  if (url[0] == "/") {
    // // 开头的补充协议名
    if (url[1] == "/")
      url = `${
        domain ? domain.split("://")[0] : "http"
      }:${url}`; // 否则补充整个域名
    else if (domain) url = domain + url;
  } else if (domain && !url.includes("data:") && !url.includes("://"))
    url = `${domain}/${url}`;

  return url;
};
/**
 * @description 解析样式表
 * @param {Object} node 标签
 * @returns {Object}
 */

parser.prototype.parseStyle = function (node) {
  const { attrs } = node;
  const list = (this.tagStyle[node.name] || "")
    .split(";")
    .concat((attrs.style || "").split(";"));
  const styleObj = {};
  let tmp = "";

  if (attrs.id) {
    // 暴露锚点
    if (this.options.useAnchor) this.expose();
    else if (
      node.name != "img" &&
      node.name != "a" &&
      node.name != "video" &&
      node.name != "audio"
    )
      attrs.id = void 0;
  } // 转换 width 和 height 属性

  if (attrs.width) {
    styleObj.width =
      parseFloat(attrs.width) + (attrs.width.includes("%") ? "%" : "px");
    attrs.width = void 0;
  }

  if (attrs.height) {
    styleObj.height =
      parseFloat(attrs.height) + (attrs.height.includes("%") ? "%" : "px");
    attrs.height = void 0;
  }

  for (let i = 0, len = list.length; i < len; i++) {
    const info = list[i].split(":");
    if (info.length < 2) continue;
    const key = info.shift().trim().toLowerCase();
    let value = info.join(":").trim(); // 兼容性的 css 不压缩

    if (
      (value[0] == "-" && value.lastIndexOf("-") > 0) ||
      value.includes("safe")
    )
      tmp += ";".concat(key, ":").concat(value); // 重复的样式进行覆盖
    else if (
      !styleObj[key] ||
      value.includes("import") ||
      !styleObj[key].includes("import")
    ) {
      // 填充链接
      if (value.includes("url")) {
        let j = value.indexOf("(") + 1;

        if (j) {
          while (value[j] == '"' || value[j] == "'" || blankChar[value[j]]) {
            j++;
          }

          value = value.substr(0, j) + this.getUrl(value.substr(j));
        }
      } // 转换 rpx（rich-text 内部不支持 rpx）
      else if (value.includes("rpx")) {
        value = value.replace(
          /[0-9.]+\s*rpx/g,
          ($) => `${(parseFloat($) * windowWidth) / 750}px`
        );
      }

      styleObj[key] = value;
    }
  }

  node.attrs.style = tmp;
  return styleObj;
};
/**
 * @description 解析到标签名
 * @param {String} name 标签名
 * @private
 */

parser.prototype.onTagName = function (name) {
  this.tagName = this.xml ? name : name.toLowerCase();
  if (this.tagName == "svg") this.xml = true; // svg 标签内大小写敏感
};
/**
 * @description 解析到属性名
 * @param {String} name 属性名
 * @private
 */

parser.prototype.onAttrName = function (name) {
  name = this.xml ? name : name.toLowerCase();

  if (name.substr(0, 5) == "data-") {
    // data-src 自动转为 src
    if (name == "data-src" && !this.attrs.src)
      this.attrName =
        "src"; // a 和 img 标签保留 data- 的属性，可以在 imgtap 和 linktap 事件中使用
    else if (this.tagName == "img" || this.tagName == "a")
      this.attrName = name; // 剩余的移除以减小大小
    else this.attrName = void 0;
  } else {
    this.attrName = name;
    this.attrs[name] = "T"; // boolean 型属性缺省设置
  }
};
/**
 * @description 解析到属性值
 * @param {String} val 属性值
 * @private
 */

parser.prototype.onAttrVal = function (val) {
  const name = this.attrName || ""; // 部分属性进行实体解码

  if (name == "style" || name == "href")
    this.attrs[name] = decodeEntity(val, true); // 拼接主域名
  else if (name.includes("src"))
    this.attrs[name] = this.getUrl(decodeEntity(val, true));
  else if (name) this.attrs[name] = val;
};
/**
 * @description 解析到标签开始
 * @param {Boolean} selfClose 是否有自闭合标识 />
 * @private
 */

parser.prototype.onOpenTag = function (selfClose) {
  // 拼装 node
  const node = Object.create(null);
  node.name = this.tagName;
  node.attrs = this.attrs;
  this.attrs = Object.create(null);
  const { attrs } = node;
  const parent = this.stack[this.stack.length - 1];
  const siblings = parent ? parent.children : this.nodes;
  const close = this.xml ? selfClose : config.voidTags[node.name]; // 转换 embed 标签

  if (node.name == "embed") {
    // #ifndef H5 || APP-PLUS
    const src = attrs.src || ""; // 按照后缀名和 type 将 embed 转为 video 或 audio

    if (
      src.includes(".mp4") ||
      src.includes(".3gp") ||
      src.includes(".m3u8") ||
      (attrs.type || "").includes("video")
    )
      node.name = "video";
    else if (
      src.includes(".mp3") ||
      src.includes(".wav") ||
      src.includes(".aac") ||
      src.includes(".m4a") ||
      (attrs.type || "").includes("audio")
    )
      node.name = "audio";
    if (attrs.autostart) attrs.autoplay = "T";
    attrs.controls = "T"; // #endif
    // #ifdef H5 || APP-PLUS

    this.expose(); // #endif
  } // #ifndef APP-PLUS-NVUE
  // 处理音视频

  if (node.name == "video" || node.name == "audio") {
    // 设置 id 以便获取 context
    if (node.name == "video" && !attrs.id) attrs.id = `v${idIndex++}`; // 没有设置 controls 也没有设置 autoplay 的自动设置 controls

    if (!attrs.controls && !attrs.autoplay) attrs.controls = "T"; // 用数组存储所有可用的 source

    node.src = [];

    if (attrs.src) {
      node.src.push(attrs.src);
      attrs.src = void 0;
    }

    this.expose();
  } // #endif
  // 处理自闭合标签

  if (close) {
    if (!this.hook(node) || config.ignoreTags[node.name]) {
      // 通过 base 标签设置主域名
      if (node.name == "base" && !this.options.domain)
        this.options.domain = attrs.href; // #ifndef APP-PLUS-NVUE
      // 设置 source 标签（仅父节点为 video 或 audio 时有效）
      else if (
        node.name == "source" &&
        parent &&
        (parent.name == "video" || parent.name == "audio") &&
        attrs.src
      )
        parent.src.push(attrs.src); // #endif

      return;
    } // 解析 static

    const styleObj = this.parseStyle(node); // 处理图片

    if (node.name == "img") {
      if (attrs.src) {
        // 标记 webp
        if (attrs.src.includes("webp")) node.webp = "T"; // data url 图片如果没有设置 original-src 默认为不可预览的小图片

        if (attrs.src.includes("data:") && !attrs["original-src"])
          attrs.ignore = "T";

        if (!attrs.ignore || node.webp || attrs.src.includes("cloud://")) {
          for (let i = this.stack.length; i--; ) {
            const item = this.stack[i];

            if (item.name == "a") {
              node.a = item.attrs;
              break;
            } // #ifndef H5 || APP-PLUS

            const style = item.attrs.style || "";

            if (
              style.includes("flex:") &&
              !style.includes("flex:0") &&
              !style.includes("flex: 0") &&
              (!styleObj.width || !styleObj.width.includes("%"))
            ) {
              styleObj.width = "100% !important";
              styleObj.height = "";

              for (let j = i + 1; j < this.stack.length; j++) {
                this.stack[j].attrs.style = (
                  this.stack[j].attrs.style || ""
                ).replace("inline-", "");
              }
            } else if (style.includes("flex") && styleObj.width == "100%") {
              for (let _j = i + 1; _j < this.stack.length; _j++) {
                const _style = this.stack[_j].attrs.style || "";

                if (
                  !_style.includes(";width") &&
                  !_style.includes(" width") &&
                  _style.indexOf("width") != 0
                ) {
                  styleObj.width = "";
                  break;
                }
              }
            } else if (style.includes("inline-block")) {
              if (
                styleObj.width &&
                styleObj.width[styleObj.width.length - 1] == "%"
              ) {
                item.attrs.style += `;max-width:${styleObj.width}`;
                styleObj.width = "";
              } else item.attrs.style += ";max-width:100%";
            } // #endif

            item.c = 1;
          }

          attrs.i = this.imgList.length.toString();

          let _src = attrs["original-src"] || attrs.src; // #ifndef H5 || MP-ALIPAY || APP-PLUS || MP-360

          if (this.imgList.includes(_src)) {
            // 如果有重复的链接则对域名进行随机大小写变换避免预览时错位
            let _i = _src.indexOf("://");

            if (_i != -1) {
              _i += 3;

              let newSrc = _src.substr(0, _i);

              for (; _i < _src.length; _i++) {
                if (_src[_i] == "/") break;
                newSrc +=
                  Math.random() > 0.5 ? _src[_i].toUpperCase() : _src[_i];
              }

              newSrc += _src.substr(_i);
              _src = newSrc;
            }
          } // #endif

          this.imgList.push(_src); // #ifdef H5 || APP-PLUS

          if (this.options.lazyLoad) {
            attrs["data-src"] = attrs.src;
            attrs.src = void 0;
          } // #endif
        }
      }

      if (styleObj.display == "inline") styleObj.display = ""; // #ifndef APP-PLUS-NVUE

      if (attrs.ignore) {
        styleObj["max-width"] = styleObj["max-width"] || "100%";
        attrs.style += ";-webkit-touch-callout:none";
      } // #endif
      // 设置的宽度超出屏幕，为避免变形，高度转为自动

      if (parseInt(styleObj.width) > windowWidth) styleObj.height = void 0; // 记录是否设置了宽高

      if (styleObj.width) {
        if (styleObj.width.includes("auto")) styleObj.width = "";
        else {
          node.w = "T";
          if (styleObj.height && !styleObj.height.includes("auto"))
            node.h = "T";
        }
      }
    } else if (node.name == "svg") {
      siblings.push(node);
      this.stack.push(node);
      this.popNode();
      return;
    }

    for (const key in styleObj) {
      if (styleObj[key])
        attrs.style += ";"
          .concat(key, ":")
          .concat(styleObj[key].replace(" !important", ""));
    }

    attrs.style = attrs.style.substr(1) || void 0;
  } else {
    if (
      node.name == "pre" ||
      ((attrs.style || "").includes("white-space") &&
        attrs.style.includes("pre"))
    )
      this.pre = node.pre = true;
    node.children = [];
    this.stack.push(node);
  } // 加入节点树

  siblings.push(node);
};
/**
 * @description 解析到标签结束
 * @param {String} name 标签名
 * @private
 */

parser.prototype.onCloseTag = function (name) {
  // 依次出栈到匹配为止
  name = this.xml ? name : name.toLowerCase();
  let i;

  for (i = this.stack.length; i--; ) {
    if (this.stack[i].name == name) break;
  }

  if (i != -1) {
    while (this.stack.length > i) {
      this.popNode();
    }
  } else if (name == "p" || name == "br") {
    const siblings = this.stack.length
      ? this.stack[this.stack.length - 1].children
      : this.nodes;
    siblings.push({
      name,
      attrs: {},
    });
  }
};
/**
 * @description 处理标签出栈
 * @private
 */

parser.prototype.popNode = function () {
  const node = this.stack.pop();
  let { attrs } = node;
  const { children } = node;
  const parent = this.stack[this.stack.length - 1];
  const siblings = parent ? parent.children : this.nodes;

  if (!this.hook(node) || config.ignoreTags[node.name]) {
    // 获取标题
    if (
      node.name == "title" &&
      children.length &&
      children[0].type == "text" &&
      this.options.setTitle
    ) {
      uni.setNavigationBarTitle({
        title: children[0].text,
      });
    }
    siblings.pop();
    return;
  }

  if (node.pre) {
    // 是否合并空白符标识
    node.pre = this.pre = void 0;

    for (let i = this.stack.length; i--; ) {
      if (this.stack[i].pre) this.pre = true;
    }
  }

  const styleObj = {}; // 转换 svg

  if (node.name == "svg") {
    // #ifndef APP-PLUS-NVUE
    let src = "";
    const { style } = attrs;
    attrs.style = "";
    attrs.xmlns = "http://www.w3.org/2000/svg";

    (function traversal(node) {
      src += `<${node.name}`;

      for (let item in node.attrs) {
        const val = node.attrs[item];

        if (val) {
          if (item == "viewbox") item = "viewBox";
          src += " ".concat(item, '="').concat(val, '"');
        }
      }

      if (!node.children) src += "/>";
      else {
        src += ">";

        for (let _i2 = 0; _i2 < node.children.length; _i2++) {
          traversal(node.children[_i2]);
        }

        src += `</${node.name}>`;
      }
    })(node);

    node.name = "img";
    node.attrs = {
      src: `data:image/svg+xml;utf8,${src.replace(/#/g, "%23")}`,
      style,
      ignore: "T",
    };
    node.children = void 0; // #endif

    this.xml = false;
    return;
  } // #ifndef APP-PLUS-NVUE
  // 转换 align 属性

  if (attrs.align) {
    if (node.name == "table") {
      if (attrs.align == "center")
        styleObj["margin-inline-start"] = styleObj["margin-inline-end"] =
          "auto";
      else styleObj.float = attrs.align;
    } else styleObj["text-align"] = attrs.align;

    attrs.align = void 0;
  } // 转换 font 标签的属性

  if (node.name == "font") {
    if (attrs.color) {
      styleObj.color = attrs.color;
      attrs.color = void 0;
    }

    if (attrs.face) {
      styleObj["font-family"] = attrs.face;
      attrs.face = void 0;
    }

    if (attrs.size) {
      let size = parseInt(attrs.size);

      if (!isNaN(size)) {
        if (size < 1) size = 1;
        else if (size > 7) size = 7;
        styleObj["font-size"] = [
          "xx-small",
          "x-small",
          "small",
          "medium",
          "large",
          "x-large",
          "xx-large",
        ][size - 1];
      }

      attrs.size = void 0;
    }
  } // #endif
  // 一些编辑器的自带 class

  if ((attrs.class || "").includes("align-center"))
    styleObj["text-align"] = "center";
  Object.assign(styleObj, this.parseStyle(node));

  if (parseInt(styleObj.width) > windowWidth) {
    styleObj["max-width"] = "100%";
    styleObj["box-sizing"] = "border-box";
  } // #ifndef APP-PLUS-NVUE

  if (config.blockTags[node.name])
    node.name = "div"; // 未知标签转为 span，避免无法显示
  else if (!config.trustTags[node.name] && !this.xml) node.name = "span";
  if (
    node.name == "a" ||
    node.name == "ad" || // #ifdef H5 || APP-PLUS
    node.name == "iframe" // #endif
  )
    this.expose(); // #ifdef APP-PLUS
  else if (node.name == "video") {
    let str = '<video static="width:100%;height:100%"'; // 空白图占位

    if (!attrs.poster && !attrs.autoplay)
      attrs.poster =
        "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'/>";

    for (const item in attrs) {
      if (attrs[item]) str += ` ${item}="${attrs[item]}"`;
    }

    if (this.options.pauseVideo)
      str +=
        " onplay=\"for(var e=document.getElementsByTagName('video'),t=0;t<e.length;t++)e[t]!=this&&e[t].pause()\"";
    str += ">";

    for (let _i3 = 0; _i3 < node.src.length; _i3++) {
      str += `<source src="${node.src[_i3]}">`;
    }

    str += "</video>";
    node.html = str;
  } // #endif
  // 列表处理
  else if ((node.name == "ul" || node.name == "ol") && node.c) {
    const types = {
      a: "lower-alpha",
      A: "upper-alpha",
      i: "lower-roman",
      I: "upper-roman",
    };

    if (types[attrs.type]) {
      attrs.style += `;list-style-type:${types[attrs.type]}`;
      attrs.type = void 0;
    }

    for (let _i4 = children.length; _i4--; ) {
      if (children[_i4].name == "li") children[_i4].c = 1;
    }
  } // 表格处理
  else if (node.name == "table") {
    // cellpadding、cellspacing、border 这几个常用表格属性需要通过转换实现
    let padding = parseFloat(attrs.cellpadding);
    let spacing = parseFloat(attrs.cellspacing);
    const border = parseFloat(attrs.border);

    if (node.c) {
      // padding 和 spacing 默认 2
      if (isNaN(padding)) padding = 2;
      if (isNaN(spacing)) spacing = 2;
    }

    if (border) attrs.style += `;border:${border}px solid gray`;

    if (node.flag && node.c) {
      // 有 colspan 或 rowspan 且含有链接的表格通过 grid 布局实现
      styleObj.display = "grid";

      if (spacing) {
        styleObj["grid-gap"] = `${spacing}px`;
        styleObj.padding = `${spacing}px`;
      } // 无间隔的情况下避免边框重叠
      else if (border) attrs.style += ";border-left:0;border-top:0";

      const width = [];
      // 表格的列宽
      const trList = [];
      // tr 列表
      const cells = [];
      // 保存新的单元格
      const map = {}; // 被合并单元格占用的格子

      (function traversal(nodes) {
        for (let _i5 = 0; _i5 < nodes.length; _i5++) {
          if (nodes[_i5].name == "tr") trList.push(nodes[_i5]);
          else traversal(nodes[_i5].children || []);
        }
      })(children);

      for (let row = 1; row <= trList.length; row++) {
        let col = 1;

        for (let j = 0; j < trList[row - 1].children.length; j++, col++) {
          const td = trList[row - 1].children[j];

          if (td.name == "td" || td.name == "th") {
            // 这个格子被上面的单元格占用，则列号++
            while (map[`${row}.${col}`]) {
              col++;
            }

            let _style2 = td.attrs.style || "";
            const start = _style2.indexOf("width")
              ? _style2.indexOf(";width")
              : 0; // 提取出 td 的宽度

            if (start != -1) {
              let end = _style2.indexOf(";", start + 6);

              if (end == -1) end = _style2.length;
              if (!td.attrs.colspan)
                width[col] = _style2.substring(start ? start + 7 : 6, end);
              _style2 = _style2.substr(0, start) + _style2.substr(end);
            }

            _style2 +=
              (border
                ? ";border:".concat(border, "px solid gray") +
                  (spacing ? "" : ";border-right:0;border-bottom:0")
                : "") + (padding ? ";padding:".concat(padding, "px") : ""); // 处理列合并

            if (td.attrs.colspan) {
              _style2 += ";grid-column-start:"
                .concat(col, ";grid-column-end:")
                .concat(col + parseInt(td.attrs.colspan));
              if (!td.attrs.rowspan)
                _style2 += ";grid-row-start:"
                  .concat(row, ";grid-row-end:")
                  .concat(row + 1);
              col += parseInt(td.attrs.colspan) - 1;
            } // 处理行合并

            if (td.attrs.rowspan) {
              _style2 += ";grid-row-start:"
                .concat(row, ";grid-row-end:")
                .concat(row + parseInt(td.attrs.rowspan));
              if (!td.attrs.colspan)
                _style2 += ";grid-column-start:"
                  .concat(col, ";grid-column-end:")
                  .concat(col + 1); // 记录下方单元格被占用

              for (let k = 1; k < td.attrs.rowspan; k++) {
                map[`${row + k}.${col}`] = 1;
              }
            }

            if (_style2) td.attrs.style = _style2;
            cells.push(td);
          }
        }

        if (row == 1) {
          let temp = "";

          for (let _i6 = 1; _i6 < col; _i6++) {
            temp += `${width[_i6] ? width[_i6] : "auto"} `;
          }

          styleObj["grid-template-columns"] = temp;
        }
      }

      node.children = cells;
    } else {
      // 没有使用合并单元格的表格通过 table 布局实现
      if (node.c) styleObj.display = "table";
      if (!isNaN(spacing)) styleObj["border-spacing"] = `${spacing}px`;

      if (border || padding) {
        // 遍历
        (function traversal(nodes) {
          for (let _i7 = 0; _i7 < nodes.length; _i7++) {
            const _td = nodes[_i7];

            if (_td.name == "th" || _td.name == "td") {
              if (border)
                _td.attrs.style = "border:"
                  .concat(border, "px solid gray;")
                  .concat(_td.attrs.style || "");
              if (padding)
                _td.attrs.style = "padding:"
                  .concat(padding, "px;")
                  .concat(_td.attrs.style || "");
            } else if (_td.children) traversal(_td.children);
          }
        })(children);
      }
    } // 给表格添加一个单独的横向滚动层

    if (this.options.scrollTable && !(attrs.style || "").includes("inline")) {
      const table = { ...node };
      node.name = "div";
      node.attrs = {
        style: "overflow:auto",
      };
      node.children = [table];
      attrs = table.attrs;
    }
  } else if (
    (node.name == "td" || node.name == "th") &&
    (attrs.colspan || attrs.rowspan)
  ) {
    for (let _i8 = this.stack.length; _i8--; ) {
      if (this.stack[_i8].name == "table") {
        this.stack[_i8].flag = 1; // 指示含有合并单元格

        break;
      }
    }
  } // 转换 ruby
  else if (node.name == "ruby") {
    node.name = "span";

    for (let _i9 = 0; _i9 < children.length - 1; _i9++) {
      if (children[_i9].type == "text" && children[_i9 + 1].name == "rt") {
        children[_i9] = {
          name: "div",
          attrs: {
            style: "display:inline-block",
          },
          children: [
            {
              name: "div",
              attrs: {
                style: "font-size:50%;text-align:start",
              },
              children: children[_i9 + 1].children,
            },
            children[_i9],
          ],
        };
        children.splice(_i9 + 1, 1);
      }
    }
  } else if (node.c) {
    node.c = 2;

    for (let _i10 = node.children.length; _i10--; ) {
      if (!node.children[_i10].c || node.children[_i10].name == "table")
        node.c = 1;
    }
  }
  if ((styleObj.display || "").includes("flex") && !node.c) {
    for (let _i11 = children.length; _i11--; ) {
      const _item = children[_i11];

      if (_item.f) {
        _item.attrs.style = (_item.attrs.style || "") + _item.f;
        _item.f = void 0;
      }
    }
  } // flex 布局时部分样式需要提取到 rich-text 外层

  const flex =
    parent &&
    (parent.attrs.style || "").includes("flex") && // #ifdef MP-WEIXIN
    // 检查基础库版本 virtualHost 是否可用
    !(node.c && wx.getNFCAdapter) && // #endif
    // #ifndef MP-WEIXIN || MP-QQ || MP-BAIDU || MP-TOUTIAO
    !node.c; // #endif

  if (flex) node.f = ";max-width:100%"; // #endif

  for (const key in styleObj) {
    if (styleObj[key]) {
      const val = ";"
        .concat(key, ":")
        .concat(styleObj[key].replace(" !important", "")); // #ifndef APP-PLUS-NVUE

      if (
        flex &&
        ((key.includes("flex") && key != "flex-direction") ||
          key == "align-self" ||
          styleObj[key][0] == "-" ||
          (key == "width" && val.includes("%")))
      ) {
        node.f += val;
        if (key == "width") attrs.style += ";width:100%";
      } // #endif
      else {
        attrs.style += val;
      }
    }
  }

  attrs.style = attrs.style.substr(1) || void 0;
};
/**
 * @description 解析到文本
 * @param {String} text 文本内容
 */

parser.prototype.onText = function (text) {
  if (!this.pre) {
    // 合并空白符
    let trim = "";
    let flag;

    for (let i = 0, len = text.length; i < len; i++) {
      if (!blankChar[text[i]]) trim += text[i];
      else {
        if (trim[trim.length - 1] != " ") trim += " ";
        if (text[i] == "\n" && !flag) flag = true;
      }
    } // 去除含有换行符的空串

    if (trim == " " && flag) return;
    text = trim;
  }

  const node = Object.create(null);
  node.type = "text";
  node.text = decodeEntity(text);

  if (this.hook(node)) {
    const siblings = this.stack.length
      ? this.stack[this.stack.length - 1].children
      : this.nodes;
    siblings.push(node);
  }
};
/**
 * @description html 词法分析器
 * @param {Object} handler 高层处理器
 */

function lexer(handler) {
  this.handler = handler;
}
/**
 * @description 执行解析
 * @param {String} content 要解析的文本
 */

lexer.prototype.parse = function (content) {
  this.content = content || "";
  this.i = 0; // 标记解析位置

  this.start = 0; // 标记一个单词的开始位置

  this.state = this.text; // 当前状态

  for (let len = this.content.length; this.i != -1 && this.i < len; ) {
    this.state();
  }
};
/**
 * @description 检查标签是否闭合
 * @param {String} method 如果闭合要进行的操作
 * @returns {Boolean} 是否闭合
 * @private
 */

lexer.prototype.checkClose = function (method) {
  const selfClose = this.content[this.i] == "/";

  if (
    this.content[this.i] == ">" ||
    (selfClose && this.content[this.i + 1] == ">")
  ) {
    if (method)
      this.handler[method](this.content.substring(this.start, this.i));
    this.i += selfClose ? 2 : 1;
    this.start = this.i;
    this.handler.onOpenTag(selfClose);

    if (this.handler.tagName == "script") {
      this.i = this.content.indexOf("</", this.i);

      if (this.i != -1) {
        this.i += 2;
        this.start = this.i;
      }

      this.state = this.endTag;
    } else this.state = this.text;

    return true;
  }

  return false;
};
/**
 * @description 文本状态
 * @private
 */

lexer.prototype.text = function () {
  this.i = this.content.indexOf("<", this.i); // 查找最近的标签

  if (this.i == -1) {
    // 没有标签了
    if (this.start < this.content.length)
      this.handler.onText(
        this.content.substring(this.start, this.content.length)
      );
    return;
  }

  const c = this.content[this.i + 1];

  if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
    // 标签开头
    if (this.start != this.i)
      this.handler.onText(this.content.substring(this.start, this.i));
    this.start = ++this.i;
    this.state = this.tagName;
  } else if (c == "/" || c == "!" || c == "?") {
    if (this.start != this.i)
      this.handler.onText(this.content.substring(this.start, this.i));
    const next = this.content[this.i + 2];

    if (
      c == "/" &&
      ((next >= "a" && next <= "z") || (next >= "A" && next <= "Z"))
    ) {
      // 标签结尾
      this.i += 2;
      this.start = this.i;
      return (this.state = this.endTag);
    } // 处理注释

    let end = "-->";
    if (
      c != "!" ||
      this.content[this.i + 2] != "-" ||
      this.content[this.i + 3] != "-"
    )
      end = ">";
    this.i = this.content.indexOf(end, this.i);

    if (this.i != -1) {
      this.i += end.length;
      this.start = this.i;
    }
  } else this.i++;
};
/**
 * @description 标签名状态
 * @private
 */

lexer.prototype.tagName = function () {
  if (blankChar[this.content[this.i]]) {
    // 解析到标签名
    this.handler.onTagName(this.content.substring(this.start, this.i));

    while (blankChar[this.content[++this.i]]) {}

    if (this.i < this.content.length && !this.checkClose()) {
      this.start = this.i;
      this.state = this.attrName;
    }
  } else if (!this.checkClose("onTagName")) this.i++;
};
/**
 * @description 属性名状态
 * @private
 */

lexer.prototype.attrName = function () {
  let c = this.content[this.i];

  if (blankChar[c] || c == "=") {
    // 解析到属性名
    this.handler.onAttrName(this.content.substring(this.start, this.i));
    let needVal = c == "=";
    const len = this.content.length;

    while (++this.i < len) {
      c = this.content[this.i];

      if (!blankChar[c]) {
        if (this.checkClose()) return;

        if (needVal) {
          // 等号后遇到第一个非空字符
          this.start = this.i;
          return (this.state = this.attrVal);
        }

        if (this.content[this.i] == "=") needVal = true;
        else {
          this.start = this.i;
          return (this.state = this.attrName);
        }
      }
    }
  } else if (!this.checkClose("onAttrName")) this.i++;
};
/**
 * @description 属性值状态
 * @private
 */

lexer.prototype.attrVal = function () {
  const c = this.content[this.i];
  const len = this.content.length; // 有冒号的属性

  if (c == '"' || c == "'") {
    this.start = ++this.i;
    this.i = this.content.indexOf(c, this.i);
    if (this.i == -1) return;
    this.handler.onAttrVal(this.content.substring(this.start, this.i));
  } // 没有冒号的属性
  else {
    for (; this.i < len; this.i++) {
      if (blankChar[this.content[this.i]]) {
        this.handler.onAttrVal(this.content.substring(this.start, this.i));
        break;
      } else if (this.checkClose("onAttrVal")) return;
    }
  }

  while (blankChar[this.content[++this.i]]) {}

  if (this.i < len && !this.checkClose()) {
    this.start = this.i;
    this.state = this.attrName;
  }
};
/**
 * @description 结束标签状态
 * @returns {String} 结束的标签名
 * @private
 */

lexer.prototype.endTag = function () {
  const c = this.content[this.i];

  if (blankChar[c] || c == ">" || c == "/") {
    this.handler.onCloseTag(this.content.substring(this.start, this.i));

    if (c != ">") {
      this.i = this.content.indexOf(">", this.i);
      if (this.i == -1) return;
    }

    this.start = ++this.i;
    this.state = this.text;
  } else this.i++;
};

module.exports = parser;
